Underpowered or Steep Grade? CN ES44DC 2281 Hauls A Heavy CN 305 Through Blue Bell!

This is a second video from day 2 of the railfanning trip, of manifest train CN 305 giving it all they've got up a steep grade through the wilderness of New Brunswick, in a community by the name of Blue Bell (mile 166.2 Napadogan Sub).
I do not believe CN 3208 was online, meaning this train only had 3 units for a lot of tonnage up a long grade, that they've been climbing for about 8 miles. CN ES44DC 2281 lead the train, being the same leader we saw on 306 the previous day (must've wyed it in Moncton NB), along with CN SD75i 5795-ET44AC 3208-GP40-3 9418-DPU ES44AC 3845, hauling about 132 cars of mixed freight including lumber, autoracks, hoppers, tanks, a load of rail wheels and a friendly crew! The train is also just a few miles from the big Salmon River Trestle in New Denmark New Brunswick.
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Taken on March 1st, 2024!